internal long AddBrokers(string brokers) => (long)LibRdKafka.brokers_add(handle, brokers);
internal int AddBrokers(string brokers) { ThrowIfHandleClosed(); return((int)LibRdKafka.brokers_add(handle, brokers)); }
internal int AddBrokers(string brokers) => (int)LibRdKafka.brokers_add(handle, brokers);